#include<stdio.h>
#include<math.h>
int main()
{
	float a, b, c;
	while (scanf("%f %f %f", &a, &b, &c))
	{
		if (a != 0)
		{
			float disc = b*b - 4*a * c;
		}
		if (disc>0.0)
	}
}